<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM (A) THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF INCOME INCLUDED IN THE
COMPANY'S FORM 10-Q FOR THE PERIOD ENDING JUNE 30, 1999 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH (B) FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                     1,000
<PERIOD-TYPE>                                    3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             APR-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                         $71,009
<SECURITIES>                                  $132,999
<RECEIVABLES>                                  $96,514
<ALLOWANCES>                                  $(5,168)
<INVENTORY>                                    $18,085
<CURRENT-ASSETS>                              $338,225
<PP&E>                                        $170,066
<DEPRECIATION>                               $(99,257)
<TOTAL-ASSETS>                                $528,924
<CURRENT-LIABILITIES>                         $113,235
<BONDS>                                       $158,357
<PREFERRED-MANDATORY>                               $0
<PREFERRED>                                         $0
<COMMON>                                      $125,088
<OTHER-SE>                                    $(1,336)
<TOTAL-LIABILITY-AND-EQUITY>                  $528,924
<SALES>                                        $64,566
<TOTAL-REVENUES>                              $112,188
<CGS>                                          $22,044
<TOTAL-COSTS>                                  $58,542
<OTHER-EXPENSES>                               $71,102
<LOSS-PROVISION>                                    $0
<INTEREST-EXPENSE>                              $(355)
<INCOME-PRETAX>                              $(17,813)
<INCOME-TAX>                                    $5,343
<INCOME-CONTINUING>                          $(12,470)
<DISCONTINUED>                                      $0
<EXTRAORDINARY>                                     $0
<CHANGES>                                           $0
<NET-INCOME>                                 $(12,470)
<EPS-BASIC>                                    $(0.26)
<EPS-DILUTED>                                  $(0.26)